Remove now-unnecessary setting of /bigobj
Remove now-unnecessary setting of /bigobj

This is now set globally after https://codereview.chromium.org/1188603004.

R=haraken@chromium.org
BUG=173851

Review URL: https://codereview.chromium.org/1193453003

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@197200 bbb929c8-8fbe-4397-9dbb-9b2b20218538

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk